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High grade carcinoma ex pleomorphic adenoma of parotid gland: a case report

Journal of the Korean Association of Oral and Maxillofacial Surgeons / Journal of the Korean Association of Oral and Maxillofacial Surgeons, (P)2234-7550; (E)2234-5930
2020, v.46 no.5, pp.348-352
https://doi.org/10.5125/jkaoms.2020.46.5.348
Ji-Kwan Kim (Dankook University)
Moon Young Kim (Dankook University)
Seung-Kyu Choi (Dankook University College of Medicine)

Abstract

Pleomorphic adenoma is the most prevalent benign tumor of the parotid gland, and shows potential malignancy. Carcinoma ex pleomorphic adenoma (CXPA) can occur in 3%-15% of pleomorphic adenoma cases. Owing to its clinical similarity to benign tumors, critical information related to CXPA can be easily overlooked, leading to frequent misdiagnosis of the condition. In this article, we report a rare case of CXPA found in the 55-year-old male patient with characteristic clinical, radiographic, and histological features, and subsequent treatment.

keywords
Pleomorphic adenoma, Carcinoma, Cancer of the head, Parotid gland

Journal of the Korean Association of Oral and Maxillofacial Surgeons